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SN74AUP1G34DCKTG4 데이터시트(PDF) 11 Page - Texas Instruments |
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SN74AUP1G34DCKTG4 데이터시트(HTML) 11 Page - Texas Instruments |
11 / 33 page 3.3-V Bus driver VCC 0.1 µF 1-V Micro Processor Driver µC 1 V regulated SN74AUP1G34 www.ti.com SCES603K – AUGUST 2004 – REVISED OCTOBER 2014 10 Application and Implementation 10.1 Application Information The AUP family is TI's premier solution to the industry’s low-power needs in battery-powered portable applications. This family ensures a very low static and dynamic power consumption across the entire VCC range of 0.8 V to 3.6 V, resulting in an increased battery life. This product also maintains excellent signal integrity. It has a small amount of hysteresis built in allowing for slower or noisy input signals. The lowered drive produces slower edges and prevents overshoot and undershoot on the outputs. The AUP family of single gate logic makes excellent translators for the new lower voltage Micro- processors that typically are powered from 0.8 V to 1.2 V. They can drop the voltage of peripheral drivers and accessories that are still powered by 3.3 V to the new uC power levels. 10.2 Typical Application Figure 5. Typical Application 10.2.1 Design Requirements This device uses CMOS technology and has balanced output drive. Care should be taken to avoid bus contention because it can drive currents that would exceed maximum limits. 10.2.2 Detailed Design Procedure 1. Recommended Input conditions – Rise time and fall time specifications. See ( Δt/ΔV) in Recommended Operating Conditions table. – Specified high and low levels. See (VIH and VIL) in Recommended Operating Conditions table. – Inputs are overvoltage tolerant allowing them to go as high as 3.6 V at any valid VCC 2. Recommend output conditions – Load currents should not exceed 20 mA on the output and 50 mA total for the part – Outputs should not be pulled above VCC Copyright © 2004–2014, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: SN74AUP1G34 |
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